NPK Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$418K
2 insiders
Net Insider Flow
-$418K
open market, 180d
Reporting Insiders
2
2 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

34 shown
DateInsiderRoleActionSharesPriceValue
Mar 17, 2026Peuse David JCFO & TREASURERSell(S)500$140.16$70K
Mar 16, 2026Morgan Jeffery AlanVP-ENGINEERINGTax withholding(F)100$131.58$13K
Mar 16, 2026Peuse David JCFO & TREASURERTax withholding(F)78$131.58$10K
Mar 16, 2026MacKenzie John Roderick JRVP-SALESTax withholding(F)62$131.58$8K
Mar 16, 2026Frederick Douglas JCOO, VP, SECRETARY, DirectorTax withholding(F)36$131.58$5K
Mar 11, 2026Lieble Randy FDirectorSell(S)2K$143.97$348K
Jan 2, 2026Stienessen Joseph GDirectorGrant(A)100$0
Jan 2, 2026Quinn Patrick JDirectorGrant(A)100$0
Jan 2, 2026Lieble Randy FDirectorGrant(A)100$0
Jan 2, 2026Morgan Jeffery AlanVP-ENGINEERINGGrant(A)234$0
Jan 2, 2026MacKenzie John Roderick JRVP-SALESGrant(A)327$0
Jan 2, 2026Frederick Douglas JCOO, VP, SECRETARY, DirectorGrant(A)386$0
Jan 2, 2026Peuse David JCFO & TREASURERGrant(A)327$0
Mar 17, 2025Frederick Douglas JCOO, VP, SECRETARY, DirectorTax withholding(F)96$89.01$9K
Mar 17, 2025Peuse David JTREASURERTax withholding(F)19$89.01$2K
Mar 17, 2025Morgan Jeffery AlanVP-ENGINEERINGTax withholding(F)78$89.01$7K
Jan 2, 2025Frederick Douglas JCOO, VP, SECRETARY, DirectorGrant(A)406$0
Jan 2, 2025MacKenzie John Roderick JRVP-SALESGrant(A)406$0
Jan 2, 2025Morgan Jeffery AlanVP-ENGINEERINGGrant(A)254$0
Jan 2, 2025Peuse David JTREASURERGrant(A)254$0
Jan 2, 2025Lieble Randy FDirectorGrant(A)106$0
Jan 2, 2025Quinn Patrick JDirectorGrant(A)106$0
Jan 2, 2025Stienessen Joseph GDirectorGrant(A)106$0
Jan 2, 2025Cohen Maryjo RCEO, Director, 10% OwnerGrant(A)1K$0
Mar 15, 2024Morgan Jeffery AlanVP-ENGINEERINGTax withholding(F)29$76.06$2K
Mar 15, 2024Peuse David JTREASURERTax withholding(F)11$76.06$837
Jan 2, 2024Lieble Randy FDirectorGrant(A)130$0
Jan 2, 2024Quinn Patrick JDirectorGrant(A)130$0
Jan 2, 2024Stienessen Joseph GDirectorGrant(A)130$0
Jan 2, 2024Frederick Douglas JCOO, VP, SECRETARY, DirectorGrant(A)498$0
Jan 2, 2024MacKenzie John Roderick JRVP-SALESGrant(A)435$0
Jan 2, 2024Peuse David JTREASURERGrant(A)186$0
Aug 17, 2023Peuse David JTREASURERSell(S)150$76.18$11K
Aug 17, 2023Peuse David JTREASURERSell(S)43$76.18$3K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).